java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/regression/bpl/MultipleModifiesSpecifications.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:05:51,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:05:51,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:05:51,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:05:51,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:05:51,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:05:51,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:05:51,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:05:51,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:05:51,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:05:51,305 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:05:51,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:05:51,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:05:51,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:05:51,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:05:51,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:05:51,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:05:51,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:05:51,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:05:51,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:05:51,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:05:51,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:05:51,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:05:51,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:05:51,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:05:51,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:05:51,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:05:51,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:05:51,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:05:51,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:05:51,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:05:51,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:05:51,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:05:51,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:05:51,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:05:51,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:05:51,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:05:51,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:05:51,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:05:51,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:05:51,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:05:51,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:05:51,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:05:51,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:05:51,395 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:05:51,396 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:05:51,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/MultipleModifiesSpecifications.bpl [2019-08-05 12:05:51,396 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/MultipleModifiesSpecifications.bpl' [2019-08-05 12:05:51,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:05:51,422 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:05:51,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:05:51,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:05:51,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:05:51,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:51" (1/1) ... [2019-08-05 12:05:51,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:51" (1/1) ... [2019-08-05 12:05:51,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:51" (1/1) ... [2019-08-05 12:05:51,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:51" (1/1) ... [2019-08-05 12:05:51,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:51" (1/1) ... [2019-08-05 12:05:51,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:51" (1/1) ... [2019-08-05 12:05:51,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:51" (1/1) ... [2019-08-05 12:05:51,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:05:51,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:05:51,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:05:51,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:05:51,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 12:05:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:05:51,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:05:51,758 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:05:51,759 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:05:51,761 INFO L202 PluginConnector]: Adding new model MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:51 BoogieIcfgContainer [2019-08-05 12:05:51,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:05:51,761 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:05:51,761 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:05:51,762 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:05:51,764 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:51" (1/1) ... [2019-08-05 12:05:51,776 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:05:51,779 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:05:51,791 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:05:51,803 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:05:51,805 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:05:51,993 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-08-05 12:05:51,994 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:05:51,994 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:05:51,998 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= |old(y)| y)) (= 1 y) (not (= |old(x)| x)) (= 1 x)) [2019-08-05 12:05:52,008 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:05:52,010 INFO L168 Benchmark]: Toolchain (without parser) took 587.91 ms. Allocated memory is still 140.5 MB. Free memory was 110.2 MB in the beginning and 94.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:52,012 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 111.3 MB in the beginning and 111.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:05:52,014 INFO L168 Benchmark]: Boogie Preprocessor took 40.48 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 108.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:52,016 INFO L168 Benchmark]: RCFGBuilder took 297.34 ms. Allocated memory is still 140.5 MB. Free memory was 108.0 MB in the beginning and 99.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:52,018 INFO L168 Benchmark]: Symbolic Interpretation took 247.01 ms. Allocated memory is still 140.5 MB. Free memory was 99.4 MB in the beginning and 94.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:52,026 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 14]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 111.3 MB in the beginning and 111.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.48 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 108.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 297.34 ms. Allocated memory is still 140.5 MB. Free memory was 108.0 MB in the beginning and 99.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 247.01 ms. Allocated memory is still 140.5 MB. Free memory was 99.4 MB in the beginning and 94.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...